John Jefferson returns from a trip overseas, displaying a drastically altered demeanor. His anxious mother is distressed by his newfound apathy towards her and his father, as well as his refusal to attend church with the family. His father's patriotic enthusiasm is met with mocking glances, and his mother is baffled by the change in her loving son. Strange phone calls and secret meetings only add to the mystery. An FBI agent's visit further unsettles John's mother, asking unusual questions about her son. Eventually, the shocking truth is revealed: John is a Communist spy.

My Son John
The family's tranquility is shattered when their eldest son, John, returns home after an extended absence, introducing radical ideologies that raise concerns among his loved ones about his potential ties to communism.